musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/string/memmove.c b/src/string/memmove.c
index 27f670e1..f225bb30 100644
--- a/src/string/memmove.c
+++ b/src/string/memmove.c

@@ -10,7 +10,7 @@ void *memmove(void *dest, const void *src, size_t n)

const char *s = src;

if (d==s) return d;

- if (s+n <= d || d+n <= s) return memcpy(d, s, n);

+ if ((uintptr_t)s-(uintptr_t)d-n <= -2*n) return memcpy(d, s, n);

if (d<s) {

if ((uintptr_t)s % WS == (uintptr_t)d % WS) {